mds: include sysinfo in status command output

Of particular interest is the CPU architecture and endianness.

Signed-off-by: Patrick Donnelly <pdonnell@ibm.com>
(cherry picked from commit fa4078adfc4e54d0bdd472437c7dcd8bc55ba4dd)

diff --git a/src/mds/MDSDaemon.cc b/src/mds/MDSDaemon.cc
index b81b39a5816083cc91a6f29b17ec2a3702a49c12..b83aac0d202f9c8b613ff7a96b2d7b42dbec25ab 100644 (file)
--- a/src/mds/MDSDaemon.cc
+++ b/src/mds/MDSDaemon.cc
@@ -20,6 +20,7 @@
 #include "include/Context.h"
 #include "include/types.h"
 #include "include/str_list.h"
+#include "include/util.h"
 
 #include "common/Clock.h"
 #include "common/HeartbeatMap.h"
@@ -265,6 +266,24 @@ void MDSDaemon::dump_status(Formatter *f)
 
   f->dump_float("uptime", get_uptime().count());
 
+  {
+    std::map<std::string, std::string> sysinfo;
+    collect_sys_info(&sysinfo, cct);
+    f->open_object_section("sysinfo");
+    for (auto& [k, v] : sysinfo) {
+      f->dump_string(k, v);
+    }
+    f->close_section();
+  }
+
+  if constexpr (std::endian::native == std::endian::little) {
+    f->dump_string("endian", "little");
+  } else if constexpr (std::endian::native == std::endian::big) {
+    f->dump_string("endian", "big");
+  } else {
+    f->dump_string("endian", "mixed");
+  }
+
   f->close_section(); // status
 }